Hyundai Ioniq (AE): Heater / Evaporator Core. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Heating, Ventilation and Air Conditioning / Heater / Evaporator Core. Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Remove the evaporator core cover (A) after loosening the mounting screws.

4.
Pull out the evaporator temperature sensor (A) from the evaporator core.

5.
Pull out the evaporator core (A) from the heater unit.

6.
To install, reverse the removal procedure.
   
•
If you're installing a new condenser, add refrigerant oil (POE OIL).
•
Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for R-1234yf to avoid leakage.
•
Be careful not to damage the radiator and condenser fins when installing the condenser.
•
Charge the system, and test its performance.

    InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.

    Components Location1. Temperature control actuator [LH]2. Temperature control actuator [RH]

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

    DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution

    General Safety Information and CautionBe careful of the following precautions when driving the vehicle using the smart cruise control system.    â€¢ The smart cruise control system may have limits in detecting distance to the vehicle ahead due to road and traffic conditions.

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